Find $x$ And $y$ $$\left[ \begin{array} { l l } 1 & x \\y & 3\end{array} \right] = \left[ \begin{array} { c c } 1 & - 6 \\- 4 & 3\end{array} \right]$$

Multiple Choice

Find $x$ and $y$ .
$$\left[ \begin{array} { l l } 1 & x \\y & 3\end{array} \right] = \left[ \begin{array} { c c } 1 & - 6 \\- 4 & 3\end{array} \right]$$

A) $x = 6 , y = 4$
B) $x = 1 , y = 3$
C) $x = - 4 , y = - 6$
D) $x = - 6 , y = - 4$
E) $x = - 6 , y = - 6$